12212032213 has 4 divisors (see below), whose sum is σ = 12605968768. Its totient is φ = 11818095660.

The previous prime is 12212032201. The next prime is 12212032219. The reversal of 12212032213 is 31223021221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12212032213 - 2⁵ = 12212032181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212032219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196968231 + ... + 196968292.

It is an arithmetic number, because the mean of its divisors is an integer number (3151492192).

Almost surely, 2^12212032213 is an apocalyptic number.

It is an amenable number.

12212032213 is a deficient number, since it is larger than the sum of its proper divisors (393936555).

12212032213 is an equidigital number, since it uses as much as digits as its factorization.

12212032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393936554.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12212032213 its reverse (31223021221), we get a palindrome (43435053434).

The spelling of 12212032213 in words is "twelve billion, two hundred twelve million, thirty-two thousand, two hundred thirteen".